STEM Electrophoresis with Food Dyes

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● STEM Electrophoresis with Food Dyes
● Instructors – Bio-Rad Curriculum and Training Specialists
● Why Use Bio-Rad?
● Separation technology: How do you separate two or more compounds from each other?
● Electricity can be used to separate molecules by charge
● Sieves can be used to separate materials by their size
● Electrophoresis separates molecules by CHARGE and SIZE
● Food dyes – What have you recently eaten?…
● Food dyes – Color tells our brains about foods. What flavor is this Skittle?
● Food dyes – We have been dying our foods for hundreds of years
● Food dyes – Regulation
● FD&C Dyes and Natural dyes
● Food dyes in the news
● Food dyes have an intrinsic SIZE and CHARGE and thus can be separated using Electrophoresis
● So how do we design an electrophoresis chamber to separate food dyes?
● Combining Science, Engineering and Math to Develop a Separation Technology
● What are some of the design factors we want to think about?
● Dye extraction from candies
● Building and running your electrophoresis system to separate the dyes
● Extensions

نوع زبان: انگلیسی حجم: 4.34 مگا بایت
نوع فایل: اسلاید پاورپوینت تعداد اسلایدها: 24 صفحه
سطح مطلب: نامشخص پسوند فایل: ppt
گروه موضوعی: زمان استخراج مطلب: 2019/06/06 12:22:21

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dye, rad.com, biotechnology, ™, explorer, explorer.bio, c, fd, food, separate, electrophoresis, red,

توجه: این مطلب در تاریخ 2019/06/06 12:22:21 به صورت خودکار از فضای وب آشکار توسط موتور جستجوی پاورپوینت جمع آوری شده است و در صورت اعلام عدم رضایت تهیه کننده ی آن، طبق قوانین سایت از روی وب گاه حذف خواهد شد. این مطلب از وب سایت زیر استخراج شده است و مسئولیت انتشار آن با منبع اصلی است.

http://www.bio-rad.com/webroot/web/software/lse/Downloads/Electrophoresis_with_Food_Dyes_STEM_and_IDEA_Kits.ppt

در صورتی که محتوای فایل ارائه شده با عنوان مطلب سازگار نبود یا مطلب مذکور خلاف قوانین کشور بود لطفا در بخش دیدگاه (در پایین صفحه) به ما اطلاع دهید تا بعد از بررسی در کوتاه ترین زمان نسبت به حدف با اصلاح آن اقدام نماییم. جهت جستجوی پاورپوینت های بیشتر بر روی اینجا کلیک کنید.

عبارات پرتکرار و مهم در این اسلاید عبارتند از: dye, rad.com, biotechnology, ™, explorer, explorer.bio, c, fd, food, separate, electrophoresis, red,

مشاهده محتوای متنیِ این اسلاید ppt

مشاهده محتوای متنیِ این اسلاید ppt

stem electrophoresis with food dyes bio rad biotechnology explorer™ idea and stem kits biotechnology explorer™ explorer.bio rad.com instructors bio rad curriculum and training specialists sherri andrews ph.d. eastern us sherri andrews@bio rad.com damon tighe western us damon tighe@bio rad.com leigh brown m.a. central us leigh brown@bio rad.com biotechnology explorer™ explorer.bio rad.com why use bio rad guaranteed to work easy to prep cost effective per student group easy inexpensive first exposure to electrophoresis independent inquiry opportunities for what dyes are present in food items what is the charge of the dyes can they be separated based on charge size engineering inquiry with stem kit ranging from optimizing metal composition and diameter for electrodes gel matrix composition buffer composition etc. extensions including paper chromatography spectroscopy and researching food dyes commonly used biotechnology explorer™ explorer.bio rad.com separation technology how do you separate two or more compounds from each other materials to be separated property used to separate components explanation iron filings from other metals magnetism iron filings will be attracted to a magnet while other metals will not salt from sand solubility salt will dissolve in water and can be separated from the sand caffeine from coffee beans solubility a solvent is used that selectively dissolves the caffeine such as dichloromethane or ethyl acetate but not most of the remaining coffee oils ethanol from fermented grain boiling point ethanol will boil off at a lower temperature than the other components of the fermented grain wheat from chaff density wheat kernels are more dense and will fall to the ground while chaff can be blow away by the wind tea from tea leaves size filtration can be used to separate the liquid extract from the large tea leaves biotechnology explorer™ explorer.bio rad.com electricity can be used to separate molecules by charge acetate ions tris ions biotechnology explorer™ explorer.bio rad.com sieves can be used to separate materials by their size biotechnology explorer™ explorer.bio rad.com electrophoresis separates molecules by charge and size molecular sieve electricity electrophoresis means to carry with electricity biotechnology explorer™ explorer.bio rad.com food dyes – what have you recently eaten … did you eat any cheddar cheese was it orange starbucks strawberry frapuccino biotechnology explorer™ explorer.bio rad.com food dyes – color tells our brains about foods. what flavor is this skittle biotechnology explorer™ explorer.bio rad.com food dyes – we have been dying our foods for hundreds of years in the early ۱۸ s some cheese and cayenne pepper was colored with lead tetroxide pickles with copper sulfate green tea with copper carbonate biotechnology explorer™ explorer.bio rad.com food dyes regulation there was no control or regulations on food dyes until the early ۱۹ s in the us food and drug administration ۱۹ ۲ due to public outcry over adulterated foods upton sinclair – the jungle ۱۹ ۶ elixir sulfanilamide poisoning ۱ dead ۱۹۳۷ food drug and cosmetics act ۱۹۳۸ synthetic dyes – seven approved for use natural dyes derived from plants or animals can also be used and are not regulated biotechnology explorer™ explorer.bio rad.com fd c dyes and natural dyes fd c synthetic dyes fd c red ۴ or fd c red ۴ lake fd c yellow ۶ or fd c yellow ۶ lake fd c yellow ۵ or fd c yellow ۵ lake fd c blue ۱ or fd c blue ۱ lake fd c blue ۲ or fd c blue ۲ lake fd c red ۳ or fd c red ۳ lake fd c green ۳ or fd c green ۳ lake natural dyes beetroot red or betanin from beets curcumin from tumeric caramel coloring from sugar annatto seeds of achiote trees carminic acid carmine or cochineal from ground up beetle abdomens lycopene from tomatoes watermelons papayas and red carrots biotechnology explorer™ explorer.bio rad.com food dyes in the news biotechnology explorer™ explorer.bio rad.com food dyes have an intrinsic size and charge and thus can be separated using electrophoresis food dye molecular weight charge fd c blue ۱ ۷۹۲.۸۶ ۲ fd c yellow ۵ ۵۳۴.۳۷ ۳ fd c yellow ۶ ۴۵۲.۳۷ ۲ fd c red ۴ ۴۹۶.۴۳ ۲ carminic acid ۴۹۲.۳۸ beetroot red ۵۵۱.۴۸ ۱ biotechnology explorer™ explorer.bio rad.com so how do we design an electrophoresis chamber to separate food dyes dye electrophoresis commercial versus built box comparisons biotechnology explorer™ explorer.bio rad.com combining science engineering and math to develop a separation technology engineering – design parameter based no single correct answer science – hypothesis driven try to find specific cause effect conducts well has low reactivity inexpensive understanding the chemistry of metals in salt solutions physics of conductivity and currents best electrode material best gel matrix conducts electricity moldable inexpensive non toxic correct pore size polymer chemistry melting points gelling properties measurements analysis biotechnology explorer™ explorer.bio rad.com what are some of the design factors we want to think about biotechnology explorer™ explorer.bio rad.com dye extraction from candies biotechnology explorer™ explorer.bio rad.com building and running your electrophoresis system to separate the dyes biotechnology explorer™ explorer.bio rad.com building and running your electrophoresis system to separate the dyes biotechnology explorer™ explorer.bio rad.com building and running your electrophoresis system to separate the dyes biotechnology explorer™ explorer.bio rad.com building and running your electrophoresis system to separate the dyes biotechnology explorer™ explorer.bio rad.com building and running your electrophoresis system to separate the dyes biotechnology explorer™ explorer.bio rad.com extensions paper chromatography spectroscopy food diary electrochemistry study ph changes at the cathode and anode effect of material choice for electrode optimization of stem box system electrode material choice and thickness different materials for gel thickness impact of tae concentration and volume gel percentages copper electrode gelatin matrix …

کلمات کلیدی پرکاربرد در این اسلاید پاورپوینت: dye, rad.com, biotechnology, ™, explorer, explorer.bio, c, fd, food, separate, electrophoresis, red,

این فایل پاورپوینت شامل 24 اسلاید و به زبان انگلیسی و حجم آن 4.34 مگا بایت است. نوع قالب فایل ppt بوده که با این لینک قابل دانلود است. این مطلب برگرفته از سایت زیر است و مسئولیت انتشار آن با منبع اصلی می باشد که در تاریخ 2019/06/06 12:22:21 استخراج شده است.

http://www.bio-rad.com/webroot/web/software/lse/Downloads/Electrophoresis_with_Food_Dyes_STEM_and_IDEA_Kits.ppt

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